Hamburger basket



FIG. 1 is a top plan view of a hamburger basket showing my new design, with the lid in the open position;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view thereof, in the closed position;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a partial top perspective view of the area defined in FIG. 1.

The portions shown in dashed lines form no part of the claimed design. 

The ornamental design for a hamburger basket, as shown and described. 